.cat-show {
  animation: show 1s forwards;
}

.cat-hide {
  animation: hide 1s forwards;
}

@keyframes show {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes hide {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
  }
}